Home / 229,269.20-343,405.20-140,253.44

Finding the Fourth Proportional to 229,269.20, 343,405.20 and 140,253.44

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Solution

The fourth proportional to 229,269.20, 343,405.20 and 140,253.44 is: 210,075.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,269.20 : 343,405.20 = 140,253.44 : x
  2. Step 2: Convert to fraction form
    229,269.20/343,405.20 = 140,253.44/x
  3. Step 3: Cross multiply
    229,269.20x = 343,405.20 × 140,253.44
  4. Step 4: Simplify right side
    229,269.20x = 48,163,760,613.89
  5. Step 5: Solve for x
    x = 48,163,760,613.89/229,269.20
  6. Step 6: Final answer
    x = 210,075.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.